Home / 28,408,213.12-39,207,175.38-16,020,853.96

Finding the Fourth Proportional to 28,408,213.12, 39,207,175.38 and 16,020,853.96

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Solution

The fourth proportional to 28,408,213.12, 39,207,175.38 and 16,020,853.96 is: 22,110,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,408,213.12 : 39,207,175.38 = 16,020,853.96 : x
  2. Step 2: Convert to fraction form
    28,408,213.12/39,207,175.38 = 16,020,853.96/x
  3. Step 3: Cross multiply
    28,408,213.12x = 39,207,175.38 × 16,020,853.96
  4. Step 4: Simplify right side
    28,408,213.12x = 628,132,430,947,087.62
  5. Step 5: Solve for x
    x = 628,132,430,947,087.62/28,408,213.12
  6. Step 6: Final answer
    x = 22,110,944.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.